NS0-157 · Question #266
With clustered Data ONTAP 8.2 or later, which are valid values for Fractional reserve?
The correct answer is D. 0 or 100. In clustered Data ONTAP 8.2 and later, fractional reserve accepts only two values - 0 or 100 - representing fully disabled or fully enabled space reservation for LUN overwrites.
Question
With clustered Data ONTAP 8.2 or later, which are valid values for Fractional reserve?
Options
- AYou cannot change the fractional reserve setting In clustered Data ONTAP 8.2 and later
- B0, 25, 50, 75, or 100
- C0, 50, or 100
- D0 or 100
- E0, 10, 20, 30, 40, 50, 60, 70, 80, 90, or 100
How the community answered
(31 responses)- C3% (1)
- D94% (29)
- E3% (1)
Why each option
In clustered Data ONTAP 8.2 and later, fractional reserve accepts only two values - 0 or 100 - representing fully disabled or fully enabled space reservation for LUN overwrites.
The fractional reserve setting can be changed using the 'volume modify -fractional-reserve' command in clustered ONTAP.
Values of 25, 50, and 75 are not valid options - only 0 and 100 are accepted.
The value 50 is not a valid fractional reserve setting in clustered ONTAP 8.2 or later.
Fractional reserve in clustered ONTAP is a binary setting: 0 means no additional space is reserved for overwriting reserved LUNs or files, and 100 means 100% of the LUN or file size is reserved to guarantee overwrites succeed. No intermediate percentages are supported in this version.
Granular percentage values such as 10, 20, 30, etc. are not supported; only 0 and 100 are valid.
Concept tested: ONTAP fractional reserve valid configuration values
Source: https://docs.netapp.com/us-en/ontap/volumes/configure-automatic-provide-space-when-full-task.html
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